PREVIOUS RESEARCH

Research funded by New Zealand Winegrowers (NZW) is available to members on the NZW website.

NZW members may click here to browse research topics and information in the members-only section. For non-members, please email info@bri.co.nz to request access. 

Previous Research


Industry-funded research projects result in a number of reports each year. These reports can be found in the members’ section of New Zealand Winegrowers website.

Harlequin ladybird in vineyards: monitoring a potentially invasive insect

Project final report: Harlequin ladybird in vineyards: monitoring a potentially invasive insect, July 2020 to June 2021

Bell V, Taylor T, Wallis R

Plant and Food Research

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Microbial responses to under-vine treatments (part 2)

Final report: Microbial responses to under-vine treatments part 2 – soil sampling methods, juice and yield results

Michelle Barry

Bragato Research Institute

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Impact of grapevine trunk fungi in hot water-treated planting materials on young vine health

Project final report: Impact of grapevine trunk fungi in hot water-treated planting materials on young vine health

Eline van Zijll de Jong

Linnaeus Limited

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Using pheromone-baited traps to monitor mealybugs in Central Otago vineyards

Project final report: Using pheromone-baited traps to monitor mealybugs in Central Otago vineyards

Bell V, Taylor T, Blakeman A

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Investigation into the relative abundance and species of parasitoids in Gisborne vineyards

Project final report: Investigation into the relative abundance and species of parasitoids in Gisborne vineyards

Vaughn Bell, V Davis, Tara Taylor, Andrew Blakeman

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Future-proofing the wine sector with innovation: evaluation of groundcover and native plants as potential reservoirs of pathogens of grapevines

Project final report: Future-proofing the wine sector with innovation: evaluation of groundcover and native plants as potential reservoirs of pathogens of grapevines

Vaughn Bell, Arnaud Blouin, Karmun Chooi, Daniel Cohen, Vicky Davis, R Gough S Hansen, D Jones, Victoria Raw, R Rohra, Mano Sandanayaka, Tara Taylor, G Valmonte, Robin MacDiarmid

Plant and Food Research

August 2020

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Assessing foliar fertiliser for grapevine frost recovery 2020-2021 Annual Report

Project annual report: Assessing foliar fertiliser for grapevine frost recovery 2020-2021 Annual Report

Len Ibbotson, Yuichi Ando, Fang Gou

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Optimising management of grapevine trunk diseases

Project final report: Optimising management of grapevine trunk diseases for vineyard longevity

Sosnowski M, Mundy D and van Zijll de Jong E

South Australian Research and Development Institute; Plant and Food Research; Linnaeus

January 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Climate Change Projections for NZ Winegrowing Regions

Climate change projections for NZ winegrowing regions – Northland, Auckland, Gisborne, Hawke’s Bay, Wairapapa, Marlborough, Nelson, Canterbury and Central Otago.

NIWA

April 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Cost-efficient weed management

Project annual report: Weed management in New Zealand vineyards: Reducing and eliminating herbicide use 2018-2019

Krasnow M, Zhang T and Haywood A

Thoughtful Viticulture

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

The Organic Focus Vineyard Project

Soil quality report for the organic focus vineyard project right year assessment: 2011 – 19

T Jenkins

Centre for Sustainable Agricultural Technologies

October 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Dormancy spray for trunk disease

Project final report: Spray protocols to quantify and optimise spray deposits applied to dormant grapevines (trunks, heads, cordons and canes)

Walter M, Vorster L, Turner L, Dubois L and Manktelow D

Plant and Food Research

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Water savings and optimising irrigation for yield and quality

Project annual report: Optimisation of irrigation in New Zealand vineyards 2018-19, annual report first instalment

Krasnow K, Haywood A, McMillan D, Fedrizzi B and Parrish-Virtue K

Thoughtful Viticulture; University of Auckland

February 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Population genomics of the wine spoilage yeast Brettanomyces bruxellensis

Project final report: Population genomics of the wine spoilage yeast Brettanomyces bruxellensis

Curtin C, Pigao K, Navarro R, Lee S, Knight S and Goddard M

University of Auckland; Oregon State University (USA); The University of Lincoln (UK)

December 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Biofungicides for powdery mildew control

Project Final report: Biofungicides for powdery mildew control

Wurms K, Agnew R, Ah Chee A, Neal S, Vorster L, Campbell R, Turner L, McLachlan A and Walter M

Plant and Food Research

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Lighter Wines Programme

New Zealand Lighter Wines Low and No Alcohol Consumer Insights Report May 2021

Project 1: Market Access

Wine Intelligence

Trend towards growing opportunity for lower alcohol wine in New Zealand, with a significant increase in the proportion of New Zealand regular wine drinkers purchasing lower alcohol wine since 2018. Similar opportunity (among potential buyers) for both no and lower alcohol wine among regular and premium wine drinkers.

May 2021

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website .

Shoot trimming effects on Pinot noir vine productivity

Project 3: Vineyard Manipulations

Report: Shoot trimming effects on Pinot noir vine leaf area to fruit weight ratio, productivity and fruit composition

Parker A, Assefa M, Hofmann R and Creasy G

Lincoln University

December 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Suitability of new red varieties for lighter wine production

Project 3: Vineyard Manipulations

Report: Suitability of new red varieties for lighter wine production 3.1.5b.1

Grose C, Stuart L, Grab F, Yang L and Yvon M

Plant and Food Research

November 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Effects of different yeast on ethanol yield and varietal aroma compound formation

Project 4: Winery Manipulations

Report: Effects of different yeast preparation, inoculation timing and ferment oxygenation methodologies on ethanol yield and varietal aroma compound formation 4.2.2.4

Pinu F, Stuart L and Grose C

Plant and Food Research

June 2019

For full report visit the members’ section of New Zealand Winegrowers website.

Investigating oxygen as a tool for lighter wines

Project 4: Winery Manipulations

Report: Investigating oxygen as a tool for lighter wines

Knight S, Ryder J and Matthew Goddard M

University of Auckland

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Influence of surface area to volume ratio on ethanol yield

Project 4: Winery Manipulations

Report: Influence of surface area to volume ratio on ethanol yield of commercial-scale Pinot noir ferments 4.1.2.4

E Sherman, M Yvon and D Martin

Plant and Food Research

September 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Vineyard Ecosystems Programme

Improving remedial surgery practices for control of grapevine trunk disease to increase vineyard longevity

Improving remedial surgery practices for control of grapevine trunk disease to increase vineyard longevity

Authors: Eline van Zijll de Jong, Hannah Ternent, Sarah St George, Raquel Kallas, Mark Sosnowski

August 2021

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Vineyard Ecosystems RA 1.1 Annual Report 2020

Vineyard Ecosystems RA 1.1 annual report 2020

Jones B, Amima I, Fedrizzi B, Goddard M, Jiráska L, Jones B, Knight S, Lowrey A, Raw V, MacDiarmid R

Plant and Food research

September 2021

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Vineyard Ecosystems RA 1.1 Annual Report 2019

Vineyard Ecosystems RA 1.1 annual report 2019

Raw V, Arnold N, Bell V, Chooi KM, Clothier B, Cole L, Cosic J, Fedrizzi B, Fisher B, Gentile R, Giraldo-Perez P, Goddard M, Gough R, Grab F, Green S, Horner R, Jesson L, Jiráska L, Jones B, Knight S, Lowrey A, Mason K, McLachlan A, Mundy D, Robson M, Sorensen I, Taylor T, Waihape S, Wood P, Woolley R and MacDiarmid R

Plant and Food research

August 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Vineyard Ecosystems RA 1.2 Annual Report 2019 – Mealybug biological control

Vineyard Ecosystems RA 1.2 Annual Report – Mealybug biological control

Bell VA, Avila G, Sandanayaka M, Chhagan A, Cole L, Davis V, Taylor T, Wallis R and Bellamy D

Plant and Food Research

August 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Vineyard Ecosystems RA 1.3 Annual Report 2019 – Pathogen Management

Vineyard Ecosystems RA 1.3 Annual Report – Pathogen Management 2019

Mundy D, Bulman S, Vanga B, Woolley R, Jones B, Shah A, Tang T, MacDiarmid R

Plant and Food Research

August 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Exploring the chemical space in Vineyard Ecosystems programme juice and wine samples

Exploring the chemical space in Vineyard Ecosystems programme juice and wine samples

Wang J, Parish-Virtue K and Fedrizzi B

University of Auckland

December 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Optimising management of grapevine trunk diseases for vineyard longevity

Optimising management of grapevine trunk diseases for vineyard longevity

Sosnowski M, Mundy D and van Zijll de Jong E

South Australian Research and Development Institute; Plant and Food Research; Linnaeus

January 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Reducing and eliminating herbicide use

Weed management in New Zealand vineyards: Reducing and eliminating herbicide use 2019-20 Final report

Krasnow M, Zhang T and Haywood A

Thoughtful Viticulture

June 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Pinot Noir Programme

The effect of winemaking decisions on the polysaccharide profile of wine

Annual report: The effect of winemaking decisions on the polysaccharide profile of wine

Hayden Jones-Moore, Rebecca Jelley, Bruno Fedrizzi

University of Auckland

May 2021

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Pinot Noir Programme RA 1.1Defining and measuring perceived quality: Expert insights

Annual report: Pinot Noir Programme Research aim RA 1.1 Defining and measuring perceived quality: Expert insights

Wendy V. Parr, Dominique Valentin, Claire Grose, Duncan Hedderley, Oliver Masters

June 2021

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Pinot Noir Programme Research aim 4.1 – bunch sorting. Annual report

Annual report: Pinot Noir Programme Research aim 4.1 – bunch sorting.
Mark Whitty, Scarlett Liu, B Xin, Sue Neal, Damian Martin

Plant and Food Research

August 2020

For the full report, visit the Research Library in the members’ section of New Zealand Winegrowers website.

Pinot Noir RA1.1 Annual report 2019 - Expert insights

Annual report: Defining and measuring perceived quality: Expert insights RA 1.1

Parr WV

Lincoln University

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Pinot Noir RA2.5 Annual report 2019 – Ideotype vines

Annual report: Pinot Noir Programme Research Aim 2.5 – Ideotype vines

Martin D, Grab F, Rutan T, Scofield C and Yang L

Plant and Food Research

March 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Pinot Noir RA2.6 Annual report 2019 – Ideotype wines

Annual report : Pinot Noir Programme Research Aim 2.6 – Ideotype wines

Martin D, Grab F, Grose C, McLachlan A, Rutan T, Scofield C, Stuart L and Yvon M

Plant and Food Research

March 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Pinot Noir RA3.4 Annual report 2019 - Glycosides

Annual report: Synthesis and development of MS-based methods to study glycosides and free terpenoids in Pinot noir RA 3.4 – Glycosides

Mosaferi S, Parish-Virtue K, Barker D and Fedrizzi B

University of Auckland

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Pinot Noir RA3.5 Annual report 2019 - Wine phenolics

Method development for outlining the changes of polyphenolic compounds during winemaking and the preparation for Pinot noir microoxygenation trial RA 3.5  annual report – Wine phenolics

Yang BY

University of Auckland

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Pinot Noir RA4.2 Annual report 2019 – Validation wines

Annual report: Pinot Noir Programme project RA4.2 – Validation wines

Grose C, Stuart L, Yang L, Yvon M, McLachlan A and Rutan T

Plant and Food Research

March 2020

For the full report, visit the members’ section of New Zealand Winegrowers website.

Literature review: Red wine blending

Red wine blending literature review

Nordestgaard S

Australian Wine Research Institute

September 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

UC Davis collaboration to determine factors that affect colour in Pinot noir wines

UC Davis collaboration to determine factors that affect colour in Pinot noir wines when grapes are harvested at lower than target berry soluble solids content

Grose C, Sherman E, Oberholster A, Yu-Te T, Yang L, Stuart L, McLachlan A and Yvon M

Plant and Food Research

October 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

Phenolic profiles of Pinot noir wines from multiple provenances

Phenolic profiles of Pinot noir wines from multiple provenances

Araujo LD and Kilmartin PA

University of Auckland

June 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

The role of microbes in regional Pinot noir quality and style

The role of microbes in regional Pinot noir quality and style

Knight S, Ryder J, Hawkins D, Lee S, Culley N, Parish-Virtue K, Fedrizzi B and Goddard M

University of Auckland; University of Lincoln (UK);

December 2019

For the full report, visit the members’ section of New Zealand Winegrowers website.

New Zealand Winegrower Articles


Each issue of the industry magazine New Zealand Winegrower contains a dedicated Research Supplement designed to inform industry about research projects undertaken for their benefit.

Articles comprise newly approved projects, progress reports and final research results. Click here to access previous Research Supplements in the members’ section of New Zealand Winegrowers’ website.